== sanity test 184c: Concurrent write and layout swap ==== 11:51:49 (1788882709) 47+0 records in 47+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 2.91898 s, 16.9 MB/s 36+0 records in 36+0 records out 37748736 bytes (38 MB, 36 MiB) copied, 2.80545 s, 13.5 MB/s ref file size: ref1(49283072), ref2(37748736) 3008+0 records in 3008+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 5.66569 s, 8.7 MB/s Copied 1425408 bytes before swapping layout...